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Finding the Fourth Proportional to 245,673.20, 368,704.20 and 95,985.20

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Solution

The fourth proportional to 245,673.20, 368,704.20 and 95,985.20 is: 144,053.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,673.20 : 368,704.20 = 95,985.20 : x
  2. Step 2: Convert to fraction form
    245,673.20/368,704.20 = 95,985.20/x
  3. Step 3: Cross multiply
    245,673.20x = 368,704.20 × 95,985.20
  4. Step 4: Simplify right side
    245,673.20x = 35,390,146,377.84
  5. Step 5: Solve for x
    x = 35,390,146,377.84/245,673.20
  6. Step 6: Final answer
    x = 144,053.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.